A Randomized, Double-Blind, Parallel-Group, 52-Week, Chronic-Dosing, Multi-Center Study to Assess the Safety and Tolerability of PT010, PT009 and PT003 in Subjects With Moderate to Very Severe Chronic Obstructive Pulmonary Disease

A Randomized, Double-Blind, Parallel-Group, 52-Week, Chronic-Dosing, Multi-Center Study to Assess the Safety and Tolerability of PT010, PT009 and PT003 in Subjects With Moderate to Very Severe Chronic Obstructive Pulmonary Disease